Tentacles Collection (page 9)

Soft coral polyps (Dendronephthya sp.) opened out and feeding. Soft corals (octocorals) are colonies of tiny organisms (polyps)

Coral polyps (Physogyra sp.), close-up. The central mouth of each polyp is surrounded by a ring of tentacles which are normally retracted during the day

Common jellyfish (Aurelia aurita). This jellyfish, also known as the moon jellyfish, is found in waters throughout the world, mostly near coasts. It grows up to 40 centimetres in diameter

Portuguese man-of-war (Physalia physalis) at the waters surface. This organism is a colony composed of many specialised polyps, groups of which form its structures

Snakelocks anemones (Anemonia sulcata) completely filling a small rock pool. Sea anemones catch their prey by means of stinging tentacles. The tentacles also act as a deterrent to predation

Hydroid (Campanularia flexuosa), LM
Hydroid (Campanularia flexuosa). Light micrograph (LM) of a colonial hydroid, showing gonozooid (reproducing) and gastrozooid (feeding) polyps, attached to a central stolon (stalk)

Box jellyfish (Chironex fleckeri), artwork. This species of jellyfish, also known as the sea wasp, belongs to the cubozoa order of invertebrates

Aggregating anemone (Anthopleura elegantissima). This species of sea anemone is also known as clonal anemone and can be found on rocky, tide swept shores

Porpita umbela hydrozoan, light micrograph. This is a small specimen of this colonial marine organism, which consists of a collection of specialised polyps

Gem anemone, light micrograph
Gem anemone. Light micrograph of a transverse section through the body of a gem anemone (Bunodactis verrucosa). This section has passed through the pharynx (stomodaeum) region

Obelia hydrozoan medusa, light micrograph
Obelia hydrozoan medusa. Dark-field light micrograph of a medusa (young polyp) from the Obelia geniculata hydroid. The circular shallow semi-bell has solid tentacles on the rim

Bubble coral infested with aceol flatworm. The flatworms (Wamiona sp. round orange disks) are feeding on the detritus caught in the mucus on the surface of the bubble coral (Plerogyra sinuosa)

Male pharaoh cuttlefish fighting
Male pharaoh cuttlefish (Sepia pharaonis) fighting during breeding season. This cuttlefish feeds on crustaceans. It changes its colour according to its surroundings by dilating or contracting pigment

Wentletrap snail laying eggs. Wentletrap snail (Epitonium billeeanum, centre right) laying its eggs on a coral (Tubastrea sp.)

Mimic octopus (Octopus sp.). This octopus changes its body shape and colour to confuse predators. It can take the form of a flatfish, sea snake, shrimp, jellyfish, crab, lionfish and many others

Land snail (Arianta arbustorum) feeding on a leaf. This snail is a gastropod; a class of mollusc with a one piece coiled shell and flattened muscular foot with a head bearing tentacles

Male broadclub cuttlefish (Sepia latimanus) in its courting colours. This cuttlefish feeds on crustaceans. It changes its colour according to its surroundings by dilating or contracting pigment cells

Veined octopus (Octopus marginatus) in a tin can. This octopus can bury itself in sand or mud but frequently hides in large shells, discarded coconut shells or, as in this case, a discarded tin can

Common octopus (Octopus vulgaris) hunting on the sea floor. A grouper fish (lower right) is waiting for prey that might escape

Brittle star on coral

Electric clam (Ctenoides ales). Clams are filter-feeding bivalve molluscs. This clam is named for the bright white line on its mantle. This band of tissue is lined with cells that reflect light

False clown anemone fish

Pink anemone fish

Twoband anemonefish. Two twoband anemone fish (Amphiprion bicinctus) amongst their host anemones. The anemonefish, also known as the clown fish, is always found in association with sea anemones

Pink anemonefish (Amphiprion perideraion) sheltering by the tentacles of its host sea anemone (Heteractis magnifica). This small fish spends nearly all of its life amongst the stinging tentacles

Black anemone fish (Amphiprion melanopus) hidden in the tentacles of a partially bleached sea anemone. This fish, also known as the fire clownfish

Moluccan cardinalfish (Apogon moluccensis). School of moluccan cardinalfish sheltering in a sea anemone. This fish is around 9 centimetres in length and is found in the Indo-West Pacific

Western clown anemonefish (Amphiprion ocellaris) hiding amongst the tentacles of its host sea anemone. This fish has a symbiotic relationship with the anemone

Deep ocean alien life form, artwork
Deep ocean alien. Artwork of an alien life form adapted to survive on the seabed of a deep ocean. The life form resembles a tube worm as found on Earth

Alien sea life. Computer artwork of what a sea creature may look like on Europa, one of Jupiters moons. There is evidence that water exists below the icy surface of this moon

Aquatic alien life forms, artwork
Aquatic aliens. Artwork of alien life forms adapted for life underwater. The aliens closely resemble jellyfish found on Earth, with long tentacles and a soft body

Deep ocean alien life forms, artwork
Deep ocean aliens. Artwork of alien life forms adapted to survive on a deep ocean seabed. A hydrothermal vent (centre) releases heat energy and mineral nutrients

Octopuses (Octopus vulgaris) ready to be cooked. Photographed in Sardinia

Squid (order Decapoda), whole and uncooked. This is a cephalopod mollusc found throughout the seas of the world. It has ten tentacles. It is a good source of protein

Upside-down jellyfish (Cassiopea andromeda). This jellyfish usually lies on the sea-bed with its mouth and tentacles facing upwards, as seen here

Orange cup coral (Tubastraea coccinea). Photographed in the Red Sea

Plumose sea anemones (Metridium senile). These anemones are found mostly in the cooler waters of the northern Pacific and Atlantic oceans. Photographed in the White Sea, Russia

Tube anemone. Cerianthus filiformis tube anemone amongst corals on a reef. Tube, or cylinder, anemones are anthozoans that look very similar to sea anemones, but belong to a different subclass

Octopus anatomy, 18th century

Leather coral polyps. Close-up of the tentacled polyps of a leather coral (Sarcophyton sp.) colony. Photographed in Indonesia

Pink anemonefish sheltering. Pink anemonefish (Amphiprion perideraion) sheltering in its host anemone. This anemone has become bleached through stress caused by changes to its environment

Bubble tip anemone. Close-up of the fluorescent tentacles of a bubble tip anemone (Entacmaea quadricolor). The tentacles are usually a dull brown

Burrowing sand anemone (Edwardsia sp.) on the sea-bed. Photographed off Manado, North Sulawesi, Indonesia

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"Enchanting Tentacles: A Fascinating World Beneath the Waves" Delicate and graceful, the tentacles of the Elegant Hydromedusa Jellyfish sway gently in the coastal waters of both the Pacific and Atlantic. Their translucent bodies shimmer with ethereal beauty, captivating all who encounter them. In Vancouver Aquarium, Canada, one can witness the mesmerizing dance of Japanese/Pacific Sea Nettle Jellyfish. These enchanting creatures gracefully glide through their watery realm, showcasing their intricate tentacles that seem to float effortlessly. The Giant Squid VT 7670 Illustration offers a glimpse into the mysterious depths where Architeuthis reigns supreme. Its colossal size is matched only by its awe-inspiring tentacles that reach out like mythical arms from ancient legends. From Alaska to California, the Giant Pacific Octopus displays its intelligence and adaptability. With eight powerful arms adorned with suction cups, it navigates its surroundings with grace and precision. Beneath vibrant coral reefs resides anemonefish seeking refuge within swaying sea anemones. The Twoband Anemonefish forms a symbiotic relationship with these delicate creatures as they playfully interact amidst waving tendrils. Venturing into Atlantic and Mediterranean waters reveals another marvel—the Common Octopus. Its unique rectangular pupil and double row of sensitive suckers along each arm make it a master of disguise and manipulation in its ever-changing environment. The Blue-ringed Octopus showcases nature's warning signs hidden beneath its stunning appearance. Vibrant hues serve as cautionary tales for those who dare cross paths with this venomous creature lurking in tropical waters. Deep within the mid-Atlantic ridge lies a world rarely seen by human eyes—a Hydromedusa/Trachymedusa displaying magnificent tentacles at approximately 2700 meters below sea level. This elusive beauty reminds us of how much remains undiscovered beneath our vast oceans' surface.